hey what is wrong ?

System.Data.SQLite.SQLiteException (0x80004005): database disk image is malformed
database disk image is malformed
   ved System.Data.SQLite.SQLite3.Prepare(SQLiteConnection cnn, String strSql, SQLiteStatement previous, UInt32 timeoutMS, String& strRemain)
   ved System.Data.SQLite.SQLiteCommand.BuildNextCommand()
   ved System.Data.SQLite.SQLiteCommand.GetStatement(Int32 index)
   ved System.Data.SQLite.SQLiteDataReader.NextResult()
   ved System.Data.SQLite.SQLiteDataReader…ctor(SQLiteCommand cmd, CommandBehavior behave)
   ved System.Data.SQLite.SQLiteCommand.ExecuteReader(CommandBehavior behavior)
   ved System.Data.SQLite.SQLiteCommand.ExecuteNonQuery()
   ved System.Data.SQLite.SQLiteConnection.Open()
   ved MailClient.Storage.Data.DataStore.GetConnection(String relativeName)
   ved DbRepair.CorruptionChecker.CheckCorruption()
   ved DbRepair.FormCheck.Check(Object state)